Hindustan Times — Coupon delivery

I have applied for coupons and paid for it through my credit card using razor pay. Till first week I was told that the I would be receiving coupons shortly and on my mobile I received message that coupons have been delivered successfully but no one came to my place to deliver the same. More over I'm not able to connect with HT media helpline provided in the message.saying my mobile number does not exists.
Please look into it and do he needful